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This color illustrated postcard advertises Urol, a product to dissolve uric acid, made by Laboratorios Robert of Madrid. The image shows two men in white lab coats. The man on the left, with dark hair, is pouring Urol into a beaker. The other man, with white hair and a mustache is watching. On a table in front of them is a bottle of Urol with the open box next to it. The postcard verso lists the composition of ingredients per dose.
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